Clifford Chance

Sunrise over the unified patent court: Steps to take now if you own patents in Europe

8 March 2023

The ‘sunrise’ period for the new European Unified Patent Court (UPC) started on 1 March 2023. The UPC represents the biggest change to European patent practice for nearly 50 years. Parties will be able to start infringement and revocation actions in the UPC from 1 June 2023. If you own existing European Patents, you must now decide whether to (i) opt-out of UPC jurisdiction during the 3-month ‘sunrise’ period or (ii) keep your patents within the UPC system.

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